<form action="/public/index.php/attach/Upload/stream" method="POST" enctype="multipart/form-data">
上传文件：<input type="file" name="myfile" /><br />
<input type="hidden" value="verified" name="type" />
<input type="hidden" value="tqrXiKpqEcuQi6=wwsNiBEqqzyK51S71" name="ak" />
<input type="hidden" value="tqrXku7qOyrajbB4IyS7AEnIyUK51S71" name="ck" />
<input type="hidden" value="20*20" name="thumb" />
<input type="submit" value="测试上传" />
</form>